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Pharmacopeial Impurities (EP / USP / BP)

Sulfasalazine EP Impurity B

Reference StandardAvailable on request

Sulfasalazine EP Impurity B (CAS 1391062-49-9) supplier Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
Sulfasalazine EP Impurity B chemical structure
CAS number1391062-49-9
FormulaC29H22N8O7S2
Molar mass658.7 g/mol
Physical formSolid
HS code38229090
InChIKeyXUCGEVUEJYLZHM-UHFFFAOYSA-N
IUPAC name2-hydroxy-3,5-bis[[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl]benzoic acid

About Sulfasalazine EP Impurity B

Sulfasalazine EP Impurity B belongs to the Sulfasalazine reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 1391062-49-9, formula C29H22N8O7S2 and molar mass 658.7 g/mol. It is handled as a solid.

Where it is used

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Sulfasalazine

See every impurity, metabolite and related compound we list for this API.

Sulfasalazine standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Sulfasalazine EP Impurity B
Product nameSulfasalazine EP Impurity B
Catalogue numberZX-022830
CAS number1391062-49-9
IUPAC name2-hydroxy-3,5-bis[[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl]benzoic acid
Molecular formulaC29H22N8O7S2
Molar mass658.7 g/mol
Exact mass658.1053
GradeReference Standard
Physical formSolid
XLogP30.9
H-bond donors / acceptors4 / 15
Topological polar surface area242 Ų
HS code38229090
InChIKeyXUCGEVUEJYLZHM-UHFFFAOYSA-N
SMILESC1=CC=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N=NC3=CC(=C(C(=C3)N=NC4=CC=C(C=C4)S(=O)(=O)NC5=CC=CC=N5)O)C(=O)O
PubChem CID135564612
SynonymsSulfasalazine - Impurity B, 2-Hydroxy-3,5-bis(2-(4-(pyridin-2-ylsulfamoyl)phenyl)diazenyl)benzoic acid, Sulfasalazine Impurity B, 2-hydroxy-3,5-bis((E)-(4-(N-(pyridin-2- yl)sulfamoyl)phenyl)diazenyl)benzoic acid, 2-Hydroxy-3,5-bis((4-(N-(pyridin-2-yl)sulfamoyl)phenyl)diazenyl)benzoic acid, 2-Hydroxy-3,5-bis[2-[4-[(2-pyridinylamino)sulfonyl]phenyl]diazenyl]-benzoic acid

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Sulfasalazine EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Sulfasalazine EP Impurity B

Which CAS number identifies Sulfasalazine EP Impurity B?
Sulfasalazine EP Impurity B is registered under CAS 1391062-49-9. You may also see it listed as Sulfasalazine - Impurity B, 2-Hydroxy-3,5-bis(2-(4-(pyridin-2-ylsulfamoyl)phenyl)diazenyl)benzoic acid, Sulfasalazine Impurity B. Our catalogue number for this item is ZX-022830.
What are the formula and molar mass of Sulfasalazine EP Impurity B?
For Sulfasalazine EP Impurity B, its formula is C29H22N8O7S2 and its molar mass is 658.7 g/mol. The systematic (IUPAC) name is 2-hydroxy-3,5-bis[[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl]benzoic acid. InChIKey XUCGEVUEJYLZHM-UHFFFAOYSA-N lets you match it in any structure database.
How is Sulfasalazine EP Impurity B used in pharmaceutical QC?
Sulfasalazine EP Impurity B is a characterised reference material linked to Sulfasalazine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Sulfasalazine EP Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Sulfasalazine EP Impurity B?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Sulfasalazine EP Impurity B to my country?
Yes. Sulfasalazine EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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